ZA933465B - Process for preparing methylolhydantoins - Google Patents
Process for preparing methylolhydantoinsInfo
- Publication number
- ZA933465B ZA933465B ZA933465A ZA933465A ZA933465B ZA 933465 B ZA933465 B ZA 933465B ZA 933465 A ZA933465 A ZA 933465A ZA 933465 A ZA933465 A ZA 933465A ZA 933465 B ZA933465 B ZA 933465B
- Authority
- ZA
- South Africa
- Prior art keywords
- reactant
- formaldehyde source
- molten
- methylolhydantoin
- hydantoin
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/72—Two oxygen atoms, e.g. hydantoin
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
- C07D233/78—Radicals substituted by oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Paper (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/887,356 US5252744A (en) | 1992-05-21 | 1992-05-21 | Process for preparing methylolhydantoins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA933465B true ZA933465B (en) | 1994-02-08 |
Family
ID=25390977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA933465A ZA933465B (en) | 1992-05-21 | 1993-05-18 | Process for preparing methylolhydantoins |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US5252744A (hu) |
| EP (1) | EP0571904B1 (hu) |
| JP (1) | JP2604537B2 (hu) |
| KR (1) | KR100286244B1 (hu) |
| CN (1) | CN1058263C (hu) |
| AT (1) | ATE129494T1 (hu) |
| AU (1) | AU668719B2 (hu) |
| BR (1) | BR9301947A (hu) |
| CA (1) | CA2096675C (hu) |
| DE (1) | DE69300697T2 (hu) |
| DK (1) | DK0571904T3 (hu) |
| ES (1) | ES2081162T3 (hu) |
| GR (1) | GR3018310T3 (hu) |
| HU (1) | HU213034B (hu) |
| PL (1) | PL299027A1 (hu) |
| RU (1) | RU2105760C1 (hu) |
| TW (1) | TW370526B (hu) |
| UA (1) | UA27790C2 (hu) |
| ZA (1) | ZA933465B (hu) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5616722A (en) * | 1995-12-05 | 1997-04-01 | Mcintyre Group, Ltd. | Antimicrobial solution of formaldehyde substituted hydantoin and process for preparation |
| DE60311486T2 (de) * | 2002-08-20 | 2007-11-08 | Lonza Inc. | Stabile synergistische antimikrobielle zusammensetzungen aus aldehyddonatoren und deshydroessigsüure mit niedrigem gehalt an freiem formaldehyd |
| CN102718717B (zh) * | 2012-06-15 | 2015-03-11 | 河北鑫淘源环保科技有限公司 | 一种固体1,3-二羟甲基-5,5-二甲基海因的烘干方法 |
| WO2014031537A2 (en) | 2012-08-21 | 2014-02-27 | Lonza, Inc. | Method of scavenging hydrogen sulfide and/or sulfhydryl compounds |
| CN114014811A (zh) * | 2021-12-13 | 2022-02-08 | 陕西省石油化工研究设计院 | 一种1,3-二羟甲基-5,5-二甲基乙内酰脲的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987184A (en) * | 1974-06-07 | 1976-10-19 | Glyco Chemicals, Inc. | Dimethylol dimethylhydantoin solution |
| US4908456A (en) * | 1989-04-05 | 1990-03-13 | Takatori Corporation | Process for preparing methylolated hydantoins |
| US5036095A (en) * | 1989-11-14 | 1991-07-30 | Guy Andermann | Therapeutic use of DMDM Hydantoin |
| US5037843A (en) * | 1990-03-05 | 1991-08-06 | The Mcintyre Group, Ltd. | Antimicrobial preservative system and method comprising a formaldehyde substituted hydantoin |
-
1992
- 1992-05-21 US US07/887,356 patent/US5252744A/en not_active Expired - Lifetime
-
1993
- 1993-05-18 ZA ZA933465A patent/ZA933465B/xx unknown
- 1993-05-20 KR KR1019930008898A patent/KR100286244B1/ko not_active IP Right Cessation
- 1993-05-20 AU AU38720/93A patent/AU668719B2/en not_active Ceased
- 1993-05-20 BR BR9301947A patent/BR9301947A/pt not_active IP Right Cessation
- 1993-05-20 RU RU93005165/04A patent/RU2105760C1/ru not_active IP Right Cessation
- 1993-05-20 CA CA002096675A patent/CA2096675C/en not_active Expired - Fee Related
- 1993-05-20 HU HU9301479A patent/HU213034B/hu not_active IP Right Cessation
- 1993-05-21 AT AT93108286T patent/ATE129494T1/de not_active IP Right Cessation
- 1993-05-21 DK DK93108286.1T patent/DK0571904T3/da active
- 1993-05-21 DE DE69300697T patent/DE69300697T2/de not_active Expired - Fee Related
- 1993-05-21 CN CN93105790A patent/CN1058263C/zh not_active Expired - Fee Related
- 1993-05-21 ES ES93108286T patent/ES2081162T3/es not_active Expired - Lifetime
- 1993-05-21 JP JP5156030A patent/JP2604537B2/ja not_active Expired - Fee Related
- 1993-05-21 PL PL29902793A patent/PL299027A1/xx unknown
- 1993-05-21 EP EP93108286A patent/EP0571904B1/en not_active Expired - Lifetime
- 1993-05-28 UA UA93005389A patent/UA27790C2/uk unknown
- 1993-07-22 TW TW082105858A patent/TW370526B/zh active
-
1995
- 1995-12-05 GR GR950403429T patent/GR3018310T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU668719B2 (en) | 1996-05-16 |
| HU213034B (en) | 1997-01-28 |
| EP0571904B1 (en) | 1995-10-25 |
| ES2081162T3 (es) | 1996-02-16 |
| DE69300697T2 (de) | 1996-05-30 |
| DK0571904T3 (da) | 1996-02-05 |
| RU2105760C1 (ru) | 1998-02-27 |
| DE69300697D1 (de) | 1995-11-30 |
| JPH072791A (ja) | 1995-01-06 |
| ATE129494T1 (de) | 1995-11-15 |
| BR9301947A (pt) | 1993-11-30 |
| CN1080635A (zh) | 1994-01-12 |
| TW370526B (en) | 1999-09-21 |
| CA2096675C (en) | 1997-02-18 |
| EP0571904A1 (en) | 1993-12-01 |
| KR930023351A (ko) | 1993-12-18 |
| GR3018310T3 (en) | 1996-03-31 |
| PL299027A1 (en) | 1994-01-10 |
| KR100286244B1 (ko) | 2001-04-16 |
| AU3872093A (en) | 1993-11-25 |
| US5252744A (en) | 1993-10-12 |
| JP2604537B2 (ja) | 1997-04-30 |
| CN1058263C (zh) | 2000-11-08 |
| CA2096675A1 (en) | 1993-11-22 |
| HUT64312A (en) | 1993-12-28 |
| UA27790C2 (uk) | 2000-10-16 |
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